Wording tweaks to go with #4810 (#4866)

* mmol/L wording tweak in Readme

* Various wording & clarity tweaks in the Readme

* Heroku template update to reflect mmol allowance tweak

* Update README.md

* Update minimum device requirements

Ran some proper browser test suites, determined actual minimum specs for the main site.

README.md

@@ -129,13 +129,15 @@ If you plan to use Nightscout, we recommend using [Heroku](http://www.nightscout
 Older versions of the browsers might work, but are untested.
 
 - Android 4
-- Chrome 68
+- iOS 6
+- Chrome 35
 - Edge 17
 - Firefox 61
+- Opera 12.1
+- Safari 6 (macOS 10.7)
 - Internet Explorer: not supported
-- iOS 11
-- Opera 54
-- Safari 10 (macOS 10.12)
+
+Some features may not work with devices/browsers on the older end of these requirements.
 
 ## Windows installation software requirements:
 
@@ -167,7 +169,7 @@ SCM_COMMAND_IDLE_TIMEOUT=300
 
 # Development
 
-Wanna help with development, or just see how Nigthscout works? Great! See [CONTRIBUTING.md](CONTRIBUTING.md) for development related documentation.
+Want to help with development, or just see how Nightscout works? Great! See [CONTRIBUTING.md](CONTRIBUTING.md) for development-related documentation.
 
 # Usage
 
@@ -179,23 +181,17 @@ MongoDB server such as [mLab][mLab].
 [mongostring]: https://nightscout.github.io/pages/mongostring/
 
 ## Updating my version?
-The easiest way to update your version of cgm-remote-monitor to our latest
-recommended version is to use the [update my fork tool][update-fork].  It even
-gives out stars if you are up to date.
-
-## What is my mongo string?
 
-Try the [what is my mongo string tool][mongostring] to get a good idea of your
-mongo string.  You can copy and paste the text in the gray box into your
-`MONGO_CONNECTION` environment variable.
+The easiest way to update your version of cgm-remote-monitor to the latest version is to use the [update tool][update-fork]. A step-by-step guide is available [here][http://www.nightscout.info/wiki/welcome/how-to-update-to-latest-cgm-remote-monitor-aka-cookie].
+To downgrade to an older version, follow [this guide][http://www.nightscout.info/wiki/welcome/how-to-deploy-an-older-version-of-nightscout].
 
 ## Configure my uploader to match
 
 Use the [autoconfigure tool][autoconfigure] to sync an uploader to your config.
 
 ## Nightscout API
 
-The Nightscout API enables direct access to your DData without the need for direct Mongo access.
+The Nightscout API enables direct access to your data without the need for Mongo access.
 You can find CGM data in `/api/v1/entries`, Care Portal Treatments in `/api/v1/treatments`, and Treatment Profiles in `/api/v1/profile`.
 The server status and settings are available from `/api/v1/status.json`.
 
@@ -206,7 +202,7 @@ Once you've installed Nightscout, you can access API documentation by loading `/
 
 #### Example Queries
 
-(replace `http://localhost:1337` with your base url, YOUR-SITE)
+(replace `http://localhost:1337` with your own URL)
 
   * 100's: `http://localhost:1337/api/v1/entries.json?find[sgv]=100`
   * Count of 100's in a month: `http://localhost:1337/api/v1/count/entries/where?find[dateString][$gte]=2016-09&find[dateString][$lte]=2016-10&find[sgv]=100`
@@ -223,15 +219,16 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
 
 ### Required
 
-  * `MONGO_CONNECTION` - Your mongo uri, for example: `mongodb://sally:[email protected]:99999/nightscout`
-  * `DISPLAY_UNITS` (`mg/dl`) - Choices: `mg/dl` and `mmol`.  Setting to `mmol` puts the entire server into `mmol` mode by default, no further settings needed.
-  * `BASE_URL` - Used for building links to your sites api, ie pushover callbacks, usually the URL of your Nightscout site you may want https instead of http
+  * `MONGODB_URI` - The connection string for your Mongo database. Something like `mongodb://sally:[email protected]:99999/nightscout`.
+  * `API_SECRET` - A secret passphrase that must be at least 12 characters long.
+  * `MONGODB_COLLECTION` (`entries`) - The Mongo collection where CGM entries are stored.
+  * `DISPLAY_UNITS` (`mg/dl`) - Options are `mg/dl` or `mmol/L` (or just `mmol`).  Setting to `mmol/L` puts the entire server into `mmol/L` mode by default, no further settings needed.
 
-### Features/Labs
+### Features
 
   * `ENABLE` - Used to enable optional features, expects a space delimited list, such as: `careportal rawbg iob`, see [plugins](#plugins) below
   * `DISABLE` - Used to disable default features, expects a space delimited list, such as: `direction upbat`, see [plugins](#plugins) below
-  * `API_SECRET` - A secret passphrase that must be at least 12 characters long, required to enable `POST` and `PUT`; also required for the Care Portal
+  * `BASE_URL` - Used for building links to your site's API, i.e. Pushover callbacks, usually the URL of your Nightscout site.
   * `AUTH_DEFAULT_ROLES` (`readable`) - possible values `readable`, `denied`, or any valid role
     name.  When `readable`, anyone can view Nightscout without a token.
     Setting it to `denied` will require a token from every visit, using `status-only` will enable api-secret based login.
@@ -240,7 +237,7 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
 
 ### Alarms
 
-  These alarm setting effect all delivery methods (browser, pushover, maker, etc), some settings can be overridden per client (web browser)
+  These alarm setting affect all delivery methods (browser, Pushover, IFTTT, etc.). Values and settings entered here will be the defaults for new browser views, but will be overridden if different choices are made in the settings UI.
 
   * `ALARM_TYPES` (`simple` if any `BG_`* ENV's are set, otherwise `predict`) - currently 2 alarm types are supported, and can be used independently or combined.  The `simple` alarm type only compares the current BG to `BG_` thresholds above, the `predict` alarm type uses highly tuned formula that forecasts where the BG is going based on it's trend.  `predict` **DOES NOT** currently use any of the `BG_`* ENV's
   * `BG_HIGH` (`260`) - must be set using mg/dl units; the high BG outside the target range that is considered urgent
@@ -258,10 +255,8 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
   * `ALARM_URGENT_MINS` (`30 60 90 120`) - Number of minutes to snooze urgent alarms (that aren't tagged as high or low), space separated for options in browser, first used for pushover
   * `ALARM_WARN_MINS` (`30 60 90 120`) - Number of minutes to snooze warning alarms (that aren't tagged as high or low), space separated for options in browser, first used for pushover
 
-
 ### Core
 
-  * `MONGO_COLLECTION` (`entries`) - The collection used to store SGV, MBG, and CAL records from your CGM device
   * `MONGO_TREATMENTS_COLLECTION` (`treatments`) -The collection used to store treatments entered in the Care Portal, see the `ENABLE` env var above
   * `MONGO_DEVICESTATUS_COLLECTION`(`devicestatus`) - The collection used to store device status information such as uploader battery
   * `MONGO_PROFILE_COLLECTION`(`profile`) - The collection used to store your profiles
@@ -276,13 +271,13 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
   * `DEBUG_MINIFY` (`true`)  - Debug option, setting to `false` will disable bundle minification to help tracking down error and speed up development
   * `DE_NORMALIZE_DATES`(`true`) - The Nightscout REST API normalizes all entered dates to UTC zone. Some Nightscout clients have broken date deserialization logic and expect to received back dates in zoned formats. Setting this variable to `true` causes the REST API to serialize dates sent to Nightscout in zoned format back to zoned format when served to clients over REST.
 
-
 ### Predefined values for your browser settings (optional)
+
   * `TIME_FORMAT` (`12`)- possible values `12` or `24`
   * `NIGHT_MODE` (`off`) - possible values `on` or `off`
   * `SHOW_RAWBG` (`never`) - possible values `always`, `never` or `noise`
-  * `CUSTOM_TITLE` (`Nightscout`) - Usually name of T1
-  * `THEME` (`default`) - possible values `default`, `colors`, or `colorblindfriendly`
+  * `CUSTOM_TITLE` (`Nightscout`) - Title for the main view
+  * `THEME` (`colors`) - possible values `default`, `colors`, or `colorblindfriendly`
   * `ALARM_TIMEAGO_WARN` (`on`) - possible values `on` or `off`
   * `ALARM_TIMEAGO_WARN_MINS` (`15`) - minutes since the last reading to trigger a warning
   * `ALARM_TIMEAGO_URGENT` (`on`) - possible values `on` or `off`
@@ -293,9 +288,9 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
     * Currently supported language codes are: bg (Български), cs (Čeština), de (Deutsch), dk (Dansk), el (Ελληνικά), en (English), es (Español), fi (Suomi), fr (Français), he (עברית), hr (Hrvatski), it (Italiano), ko (한국어), nb (Norsk (Bokmål)), nl (Nederlands), pl (Polski), pt (Português (Brasil)), ro (Română), ru (Русский), sk (Slovenčina), sv (Svenska), tr (Turkish), zh_cn (中文（简体)), zh_tw (中文（繁體))
   * `SCALE_Y` (`log`) - The type of scaling used for the Y axis of the charts system wide.
     * The default `log` (logarithmic) option will let you see more detail towards the lower range, while still showing the full CGM range.
-    * The `linear` option has equidistant tick marks, the range used is dynamic so that space at the top of chart isn't wasted.
+    * The `linear` option has equidistant tick marks; the range used is dynamic so that space at the top of chart isn't wasted.
     * The `log-dynamic` is similar to the default `log` options, but uses the same dynamic range and the `linear` scale.
-  * `EDIT_MODE` (`on`) - possible values `on` or `off`. Enable or disable icon allowing enter treatments edit mode
+  * `EDIT_MODE` (`on`) - possible values `on` or `off`. Enables the icon allowing for editing of treatments in the main view.
 
 ### Predefined values for your server settings (optional)
   * `INSECURE_USE_HTTP` (`false`) - Redirect unsafe http traffic to https. Possible values `false`, or `true`. Your site redirects to `https` by default. If you don't want that from Nightscout, but want to implement that with a Nginx or Apache proxy, set `INSECURE_USE_HTTP` to `true`. Note: This will allow (unsafe) http traffic to your Nightscout instance and is not recommended.
@@ -320,7 +315,7 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
 
 #### Default Plugins
 
-  These can be disabled by setting the `DISABLE` env var, for example `DISABLE="direction upbat"`
+  These can be disabled by adding them to the `DISABLE` variable, for example `DISABLE="direction upbat"`
 
 ##### `delta` (BG Delta)
   Calculates and displays the change between the last 2 BG values.
@@ -342,7 +337,6 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
   * `ALARM_TIMEAGO_URGENT` (`on`) - possible values `on` or `off`
   * `ALARM_TIMEAGO_URGENT_MINS` (`30`) - minutes since the last reading to trigger a urgent alarm
 
-
 ##### `devicestatus` (Device Status)
   Used by `upbat` and other plugins to display device status info.  Supports the `DEVICESTATUS_ADVANCED="true"` [extended setting](#extended-settings) to send all device statuses to the client for retrospective use and to support other plugins.
 
@@ -440,7 +434,7 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
   * `BRIDGE_USER_NAME` - Your user name for the Share service.
   * `BRIDGE_PASSWORD` - Your password for the Share service.
   * `BRIDGE_INTERVAL` (`150000` *2.5 minutes*) - The time to wait between each update.
-  * `BRIDGE_MAX_COUNT` (`1`) - The maximum number of records to fetch per update.
+  * `BRIDGE_MAX_COUNT` (`1`) - The number of records to attempt to fetch per update.
   * `BRIDGE_FIRST_FETCH_COUNT` (`3`) - Changes max count during the very first update only.
   * `BRIDGE_MAX_FAILURES` (`3`) - How many failures before giving up.
   * `BRIDGE_MINUTES` (`1400`) - The time window to search for new data per update (default is one day in minutes).
@@ -487,7 +481,6 @@ To learn more about the Nightscout API, visit https://YOUR-SITE.com/api-docs/ or
   * `OPENAPS_PRED_UAM_COLOR` (`#c9bd60`) - The color to use for UAM prediction lines. Same format as above.
   * `OPENAPS_COLOR_PREDICTION_LINES` (`true`) - Enables / disables the colored lines vs the classic purple color.
 
-
  Also see [Pushover](#pushover) and [IFTTT Maker](#ifttt-maker).
 
 ##### `loop` (Loop)

app.json

@@ -93,7 +93,7 @@
       "required": false
     },
     "DISPLAY_UNITS": {
-      "description": "Preferred BG units for the site:'mg/dl' or 'mmol'. (Note that it is *not* 'mmol/L')",
+      "description": "Preferred BG units for the site: 'mg/dl' or 'mmol/L' (or just 'mmol').",
       "value": "mg/dl",
       "required": true
     },